Abstract: Provided are a detector and a method of detecting an object using the detector. The method includes combining a first detector and a second detector in a combination scheme to form a multi-layer combination detector, the second detector being of a type different from that of the first detector, processing a binary classification detection with respect to an inputted sample starting from an uppermost layer detector, allowing a sample of an object detected from a current layer to approach a lower layer, while rejecting a sample of a non-object detected from the current layer whereby the rejected non-object may not approach the lower layer, and outputting a sample passing through all layers as a detected object.

Abstract: Disclosed are a system and method counting photons. Photons are counted through a plurality of counters. Each of the counters generates a flag signal indicating the availability of each counter for an output of a photon detector. The generated flag signal is input into a control unit which controls a switching unit. The control unit allows a signal to be input into a counter, which is not in dead time, based on the received flag signal.

Abstract: Disclosed is an apparatus and method of acquiring images created by penetration of a radioactive ray. The apparatus includes a scintillator to generate a light signal in response to an irradiated radioactive ray, and to change an advancing direction of the generate light signal, a light receiving unit to receive the light signal whose advancing direction is changed, and a signal processing unit to convert the received light signal into an electrical signal, and acquire an image corresponding to the penetrated irradiated radioactive ray based on the converted electrical signal.

Abstract: A camera, and a method and apparatus for providing photographing guide information are provided. The camera extracts first scene information expressing features of a first scene that a user intends to photograph when a user input requesting scene setup is received. The camera extracts second scene information expressing features of a second scene that is captured in a photographing standby state. The camera uses the first scene information and the second scene information to generate guide information for guiding a photographer capturing the second scene to photograph the first scene, and providing the guide information to the display.

Abstract: Disclosed are a multi-energy x-ray system, an image processing apparatus for discriminating a multi-energy x-ray material, and an image processing method for material discrimination of a multi-energy x-ray system. The image processing apparatus for discriminating a multi-energy x-ray material according to one aspect of the present invention comprises: a table for recording attenuation information and multi-energy x-ray spectrum information which correspond to one or more materials; an initial image estimating portion for estimating an initial image of each of the materials with respect to a projection image of each of the energy bands generated when a multi-energy x-ray spectrum passes through a detecting target formed with one or more materials; and an image update portion for updating the initial image as the material discrimination image using the estimated initial image and the spectrum information recorded in the table and the attenuation information recorded in the table.

Abstract: Provided are a source supplying unit and a method for supplying a source. The source supplying unit includes a pot configured to store a source material, an injector communicating with the pot to inject the source material evaporated from the pot, a high frequency coil part surrounding an outside of the pot, and a resistance-type heating part disposed at an outside of the injector. Since a high frequency induction heating method and a resistance-type heating method are combined to evaporate a source material to be supplied, a large amount of source material can be used, and the thickness and quality of a thin film can be easily controlled.

Abstract: A method and apparatus for reconstructing an image and a medical image system are provided. An image reconstruction processing method may include acquiring an initial value with respect to a tomographic image of an object to be inspected, initializing an auxiliary variable, acquiring one or both of a weighted value and an error value, based on a measured value, transforming a measured image signal, updating the auxiliary variable using a transform coefficient used to transform the measured image signal, and updating the measured value using the updated auxiliary variable, and one or both of the acquired weighted value and the error value.

Abstract: An apparatus and method for imaging a breast is provided. The apparatus for imaging a breast includes a first X-ray emission unit configured to emit an X-ray of a first dose to a breast, a second X-ray emission unit configured to emit one or more X-rays of a second dose to the breast, the first dose being greater than the second dose, an X-ray detection unit configured to detect the X-ray of the first dose or the one or more X-rays of the second dose to thereby generate one or more image frames regarding the breast, and an image generation unit configured to generate image data regarding the breast based on the generated one or more image frames.

Abstract: Provided are a method and apparatus for extracting facial features from an image containing a face. The method and apparatus filter an input image using a filter set for face recognition at each of predetermined locations in the input image, merge values obtained by filtering the input image at locations, which are horizontally symmetrical to each other with respect to the center of the face, and synthesize values obtained by filtering the input image at locations which are not symmetrical to each other with respect to the center of the face with the merged values. Therefore, the time, feature values, and storage space required to extract or compare facial features can be significantly reduced. In addition, a face recognition system that runs well on low specification hardware can be implemented.

Abstract: A method of processing an image is provided. The method includes generating a first intermediate reconstructed image by applying a first iterated reconstruction algorithm to a tomographic image of a predetermined subject; generating a second intermediate reconstructed image by applying a second iterated reconstruction algorithm to a difference image between the first intermediate reconstructed image and the tomographic image; and generating an ultimately reconstructed image by composing the first and second intermediate reconstructed images.

Abstract: A method of processing an image is provided. The method includes generating a calibration model by learning an intensity-target data set obtained from a parameter of a test subject; and estimating a target. The estimating includes applying the calibration model to a parameter of an input subject and calibrating the parameter of the input subject.

Abstract: An apparatus and method for imaging a breast are provided. The apparatus includes an X-ray emission unit that emits an X-ray of a first energy spectrum and an X-ray of a second energy spectrum from above a first region of a breast and emits an X-ray of a third energy spectrum from above a second region of the breast different from the first region of the breast; an X-ray detection unit that generates a plurality of image frames related to the breast by detecting the X-rays emitted and passed through the breast; and an image generation unit that generates image data related to the breast by combining the plurality of image frames.

Abstract: An image diagnosis apparatus and method may emit radiation to a target object, may compress the target object in response to the emitted radiation, and may collect a plurality of images with respect to the compressed target object in response to the emitted radiation. An elastic image with respect to the target object may be generated based on the plurality of collected images.

Abstract: An image processing system and method are provided to adaptively discriminate hard tissues and soft tissues of a target in a multi-energy X-ray system. The image processing system and method may minimize a decrease in a dynamic range (DR) for soft tissues affected by hard tissues in a target where the soft tissues and hard tissues are mixed.

Abstract: Provided are a method and apparatus for determining whether backlight exists. The method according to an embodiment of the present invention includes calculating scattering degrees of luminance values of pixels included in each of images which represent the same photographic subject and have different brightness levels from each other; and determining whether backlight exists on the photographic subject in consideration of the calculated scattering degrees.

Abstract: Provided is a method and system of processing a multi-energy X-ray image. Through the method and system, a plurality of target images may be acquired using an X-ray detector enabling an energy separation to be performed in a predetermined time interval, with respect to a target where a contrast agent is applied, and a signal processing may be performed on the acquired target images, thereby detecting and reading benign/malignant lesions or masses.

Abstract: Disclosed are an energy response estimating apparatus, a method and computer-readable medium thereof that estimates an energy response function determined by a substance constituting a detector and physical parameters, and corrects multi-energy image information by using the estimated energy response function. The energy response estimating apparatus includes an emitting unit to emit multiple polychromatic X-rays having different energy levels to an object, a sensing unit to calculate a spectrum measurement value of a detector by counting photons from the multiple polychromatic X-rays that pass through the object, and an estimating unit to estimate an energy response function based on the calculated spectrum measurement value of the detector.

Abstract: Provided is an apparatus, method and computer-readable medium analyzing components using an X-ray. The apparatus, method and computer-readable medium may photograph an object using an X-ray of at least two energy bands to output X-ray images, predict a component ratio of the object using the X-ray images, calculate a length of the object for each of the at least two energy bands using an intensity of the X-ray images, when the object is configured in the predicted component ratio, and verify whether an error in the component ratio occurs by comparing the lengths of the object calculated for each of the at least two energy bands.

Abstract: An X-ray image obtaining/imaging apparatus and method. An X-ray image may be obtained using an X-ray sensor that is divided into pixel blocks including a plurality of pixels. Each pixel may respectively include a scintillator layer, with the scintillator layers having differing characteristics.

Abstract: An image processing apparatus and an image processing method. The image processing apparatus includes an image obtaining unit to obtain a plurality of X-ray images using a plurality of X-rays corresponding to each of a plurality of energy bands being different from each other, a first processing unit to generate a plurality of material images using the plurality of X-ray images, and a second processing unit to generate a high contrast X-ray image using at least one of the plurality of material images.